Historically it has had many definitions, but there are three definitions in current use: the imperial gallon (≈ 4. 546 L ) which since metrication is used colloquially in the United Kingdom and semi-officially within Canada, the United States ( liquid ) gallon (≈ 3. 79 L ), and the lesser used US dry gallon (≈ 4. 40 L ).

Historically, there have been different regulatory approaches within each country in the EU.

Historically, therefore, Palestine was an anomaly within the Mandate system, in a class of its own – initially referred to by the British as a “ special regime ”:

Historically, such algorithms were developed within the overlapping field of operations research.

Historically, both peaceful and violent competition and integration between Oromos and other neighboring ethnicities such as the Amhara, Sidama and the Somali had an impact on politics within the Oromo community.

Historically, Nontrinitarianism consisted of dissenting factions within Christianity.

Historically, the city is situated at the heart of the Armenian Highland, in Kotayk canton ( Kotayk gavar, not to be confused with the current Kotayk Province ) of Ayrarat province, within Armenia Major.

Historically, meads were fermented with wild yeasts and bacteria ( as noted in the recipe quoted below ) residing on the skins of the fruit or within the honey itself.

Historically, the self-loading design was the successor to the repeating rifle, which stored a number of cartridges within the weapon, but required manual action to load a fresh cartridge before each shot.

Historically, measures taken to mitigate these hazards were concerned with protecting the vehicle itself, but due to this achieving only limited protection the focus has now shifted to safeguarding the crew within from an ever-broadening range of threats, including Radio Controlled IEDs ( RCIEDs ), blast, fragmentation, heat stress and dehydration.

Historically within the Middle East, Europe and the rest of the Old World, settlements were located on higher ground ( for defense ) and close to fresh water sources.

Historically, within Mozambique, there was slavery.

Historically and until the present, recognition of a rabbi relates to a community's perception of the rabbi's competence to interpret Jewish law and act as a teacher on central matters within Judaism.

Historically, the sketches tended to be unrelated, but more recent groups have introduced overarching themes that connect the sketches within a particular show, with recurring characters that return for more than one appearance.

Historically, sites within sight of the shore would have been located using transects.

Historically, within the five ecumenical sees of Pentarchy, the patriarch is regarded as the successor of Saint Andrew, the Apostle.

Historically, presidents or prime ministers have designated special diplomatic envoys for specific assignments, primarily overseas but sometimes also within the country as ambassadors-at-large.

Historically a rural area, Nibley has experienced significant growth within the last decade, more than doubling its population in under 10 years.

Historically Cleveland, as a geographic area within the North Riding of Yorkshire, was located entirely to the south of the River Tees and its largest town was Guisborough, until the rise of Middlesbrough in the 19th century.

Historically, he was a highly influential judge ; within England and Wales, his statements and works were used to justify the right to silence, while the Statute of Monopolies is considered to be one of the first actions in the conflict between Parliament and monarch that led to the English Civil War.

Historically a part of the Wapentake of Skyrack within the West Riding of Yorkshire, Wetherby is mentioned in the Domesday Book of 1086 as Wedrebi, thought to derive from wether-or ram-farm or else meaning " settlement on the bend of a river ".

Historically part of the West Riding of Yorkshire, Ilkley civil parish includes the adjacent village of Ben Rhydding and is a ward within the metropolitan borough of Bradford.

Historically within Cheshire, Leasowe was part of the old County Borough of Wallasey, and is now within the Metropolitan Borough of Wirral, the Wallasey parliamentary constituency and the New Wallasey Regeneration programme.

Historically, Bophuthatswana's significance is twofold: it was the first area to be declared an independent state whose territory constituted a scattered patchwork of individual enclaves, and during its last days of existence, events taking place within its borders led to the weakening and split of right-winged Afrikaner resistance towards democratizing South Africa.

Historically part of Lancashire, the town is located in the Furness area, close to the Lake District, and just north of Morecambe Bay and neighboured by Swarthmoor, Pennington and Rosside.

Historically a part of Lancashire, and with little early history to speak of, Oldham rose to prominence during the 19th century as an international centre of textile manufacture.

Historically part of Lancashire, Denton grew as a significant centre of hat manufacture, though today it is a predominantly residential town.

Historically within Lancashire, Latchford is a predominantly residential area, Latchford lies between the River Mersey and the Manchester Ship Canal, and broadly consists of 19th century terraced housing and some open space.

Historically within Lancashire, the town was developed from the 1950s through 1970s as a means to house the overspill of Liverpool.

Historically a part of Lancashire, Kirkby is believed to have been founded circa 870,

Historically a part of Lancashire, at the 2001 Census, the population of the civil parish was 20, 309.

Historically a part of Lancashire, Bury emerged during the Industrial Revolution as a mill town centred on textile manufacture.

Historically, the town is mostly within Cheshire, but is historically also a part of Lancashire, to the north of the Mersey.

Historically within Lancashire, until 1 April 1974, Winwick was administered as part of Lancashire with the rest of north Warrington.

Historically within Lancashire, the parish has a Parish Council and is a ward of Warrington Borough.

Historically a part of Lancashire, it lies on the north bank of the River Tame, on undulating land at the foothills of the Pennines.

Historically a part of Lancashire, the town in its present form was founded in 1792 when William Sutton, an innkeeper from Churchtown, built a bathing house at what now is the south end of Lord Street, the town's main thoroughfare.

Historically a part of Lancashire, Rainhill was formerly a township within the ecclesiastical parish of Prescot, and hundred of West Derby.

Historically within Lancashire, Earlestown is named after Hardman Earle ( 11 July 1792-25 January 1877 ) who was the Chairman of the London and North Western Railway.

Historically part of Lancashire, Bootle's economy has been centred around the docks and their associated industries for decades.

Historically a part of Lancashire, Great Crosby was a small village of Viking origin until the arrival of the railway in the 1840s.

Historically a part of Lancashire, it is situated about midway ( about 15 miles from each ) between the cities of Manchester and Liverpool, to the east of St Helens, to the north of Warrington and to the south of Wigan.

Historically a part of Lancashire, three manors are recorded in the Domesday book under " Fornebei " as Halsall, Walton and Poynton.

Historically in Lancashire, the town has had an elected council since the Local Government Act 1894 when the government set up a network of local governance across England.

Historically a part of Lancashire, Aigburth means " hill where oak trees grow " and is a hybrid place-name: the first part of the name is from Old Norse eikr " oak tree " ( which is found in Eikton in Cumbria and Eakring in Nottinghamshire ) and Old English beorg meaning " hill, tumulus " but here in the sense " rising ground ".

Historically a part of Lancashire, Allerton has a number of large houses in the prestigious Calderstones Park area, with mainly 1930s semi-detached housing around the shopping area of Allerton Road.

Historically part of Lancashire it is situated north of Bootle, south of Southport, Formby and west of Netherton.

Historically part of Lancashire and originally an area of Crosby, named Crosby Seabank, it consisted mostly of sandhills and fields.